<!DOCTYPE HTML>
<html lang="zh-CN">




<head>
    <meta charset="utf-8">
    <meta name="keywords" content="&#39;JavaNote07_TCPIP&#39;, 深度学习 故障诊断 Java">
    <meta name="description" content="河海大学 | 计算机与信息学院 | 信号与信息处理">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
    <meta name="renderer" content="webkit|ie-stand|ie-comp">
    <meta name="mobile-web-app-capable" content="yes">
    <meta name="format-detection" content="telephone=no">
    <meta name="apple-mobile-web-app-capable" content="yes">
    <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
    <!-- Global site tag (gtag.js) - Google Analytics -->


    <title>&#39;JavaNote07_TCPIP&#39; | 世庆的博客</title>
    <link rel="icon" type="image/png" href="/shiqing/favicon.png">

    <link rel="stylesheet" type="text/css" href="/shiqing/libs/awesome/css/all.css">
    <link rel="stylesheet" type="text/css" href="/shiqing/libs/materialize/materialize.min.css">
    <link rel="stylesheet" type="text/css" href="/shiqing/libs/aos/aos.css">
    <link rel="stylesheet" type="text/css" href="/shiqing/libs/animate/animate.min.css">
    <link rel="stylesheet" type="text/css" href="/shiqing/libs/lightGallery/css/lightgallery.min.css">
    <link rel="stylesheet" type="text/css" href="/shiqing/css/matery.css">
    <link rel="stylesheet" type="text/css" href="/shiqing/css/my.css">

    <script src="/shiqing/libs/jquery/jquery.min.js"></script>

    <script src="https://sdk.jinrishici.com/v2/browser/jinrishici.js" charset="utf-8"></script>
<meta name="generator" content="Hexo 6.3.0"></head>




    <body>
        <header class="navbar-fixed">
    <nav id="headNav" class="bg-color nav-transparent">
        <div id="navContainer" class="nav-wrapper container">
            <div class="brand-logo">
                <a href="/shiqing/" class="waves-effect waves-light">
                    
                    <img src="/shiqing/medias/logo.png" class="logo-img" alt="LOGO">
                    
                    <span class="logo-span">世庆的博客</span>
                </a>
            </div>
            

<a href="#" data-target="mobile-nav" class="sidenav-trigger button-collapse"><i class="fas fa-bars"></i></a>
<ul class="right nav-menu">
  
  <li class="hide-on-med-and-down nav-item">
    
    <a href="/shiqing/" class="waves-effect waves-light">
      
      <i class="fas fa-home" style="zoom: 0.6;"></i>
      
      <span>首页</span>
    </a>
    
  </li>
  
  <li class="hide-on-med-and-down nav-item">
    
    <a href="/shiqing/tags" class="waves-effect waves-light">
      
      <i class="fas fa-tags" style="zoom: 0.6;"></i>
      
      <span>标签</span>
    </a>
    
  </li>
  
  <li class="hide-on-med-and-down nav-item">
    
    <a href="/shiqing/categories" class="waves-effect waves-light">
      
      <i class="fas fa-bookmark" style="zoom: 0.6;"></i>
      
      <span>分类</span>
    </a>
    
  </li>
  
  <li class="hide-on-med-and-down nav-item">
    
    <a href="/shiqing/archives" class="waves-effect waves-light">
      
      <i class="fas fa-archive" style="zoom: 0.6;"></i>
      
      <span>归档</span>
    </a>
    
  </li>
  
  <li class="hide-on-med-and-down nav-item">
    
    <a href="/shiqing/about" class="waves-effect waves-light">
      
      <i class="fas fa-user-circle" style="zoom: 0.6;"></i>
      
      <span>关于</span>
    </a>
    
  </li>
  
  <li class="hide-on-med-and-down nav-item">
    
    <a href="/shiqing/contact" class="waves-effect waves-light">
      
      <i class="fas fa-comments" style="zoom: 0.6;"></i>
      
      <span>留言板</span>
    </a>
    
  </li>
  
  <li class="hide-on-med-and-down nav-item">
    
    <a href="/shiqing/friends" class="waves-effect waves-light">
      
      <i class="fas fa-address-book" style="zoom: 0.6;"></i>
      
      <span>友情链接</span>
    </a>
    
  </li>
  
  <li>
    <a href="#searchModal" class="modal-trigger waves-effect waves-light">
      <i id="searchIcon" class="fas fa-search" title="搜索" style="zoom: 0.85;"></i>
    </a>
  </li>
</ul>


<div id="mobile-nav" class="side-nav sidenav">

    <div class="mobile-head bg-color">
        
        <img src="/shiqing/medias/logo.png" class="logo-img circle responsive-img">
        
        <div class="logo-name">世庆的博客</div>
        <div class="logo-desc">
            
            河海大学 | 计算机与信息学院 | 信号与信息处理
            
        </div>
    </div>

    

    <ul class="menu-list mobile-menu-list">
        
        <li class="m-nav-item">
	  
		<a href="/shiqing/" class="waves-effect waves-light">
			
			    <i class="fa-fw fas fa-home"></i>
			
			首页
		</a>
          
        </li>
        
        <li class="m-nav-item">
	  
		<a href="/shiqing/tags" class="waves-effect waves-light">
			
			    <i class="fa-fw fas fa-tags"></i>
			
			标签
		</a>
          
        </li>
        
        <li class="m-nav-item">
	  
		<a href="/shiqing/categories" class="waves-effect waves-light">
			
			    <i class="fa-fw fas fa-bookmark"></i>
			
			分类
		</a>
          
        </li>
        
        <li class="m-nav-item">
	  
		<a href="/shiqing/archives" class="waves-effect waves-light">
			
			    <i class="fa-fw fas fa-archive"></i>
			
			归档
		</a>
          
        </li>
        
        <li class="m-nav-item">
	  
		<a href="/shiqing/about" class="waves-effect waves-light">
			
			    <i class="fa-fw fas fa-user-circle"></i>
			
			关于
		</a>
          
        </li>
        
        <li class="m-nav-item">
	  
		<a href="/shiqing/contact" class="waves-effect waves-light">
			
			    <i class="fa-fw fas fa-comments"></i>
			
			留言板
		</a>
          
        </li>
        
        <li class="m-nav-item">
	  
		<a href="/shiqing/friends" class="waves-effect waves-light">
			
			    <i class="fa-fw fas fa-address-book"></i>
			
			友情链接
		</a>
          
        </li>
        
        
        <li><div class="divider"></div></li>
        <li>
            <a href="https://github.com/sqtian-hhu/" class="waves-effect waves-light" target="_blank">
                <i class="fab fa-github-square fa-fw"></i>Fork Me
            </a>
        </li>
        
    </ul>
</div>


        </div>

        
            <style>
    .nav-transparent .github-corner {
        display: none !important;
    }

    .github-corner {
        position: absolute;
        z-index: 10;
        top: 0;
        right: 0;
        border: 0;
        transform: scale(1.1);
    }

    .github-corner svg {
        color: #0f9d58;
        fill: #fff;
        height: 64px;
        width: 64px;
    }

    .github-corner:hover .octo-arm {
        animation: a 0.56s ease-in-out;
    }

    .github-corner .octo-arm {
        animation: none;
    }

    @keyframes a {
        0%,
        to {
            transform: rotate(0);
        }
        20%,
        60% {
            transform: rotate(-25deg);
        }
        40%,
        80% {
            transform: rotate(10deg);
        }
    }
</style>

<a href="https://github.com/sqtian-hhu/" class="github-corner tooltipped hide-on-med-and-down" target="_blank"
   data-tooltip="Fork Me" data-position="left" data-delay="50">
    <svg viewBox="0 0 250 250" aria-hidden="true">
        <path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z"></path>
        <path d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7 120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3 125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2"
              fill="currentColor" style="transform-origin: 130px 106px;" class="octo-arm"></path>
        <path d="M115.0,115.0 C114.9,115.1 118.7,116.5 119.8,115.4 L133.7,101.6 C136.9,99.2 139.9,98.4 142.2,98.6 C133.8,88.0 127.5,74.4 143.8,58.0 C148.5,53.4 154.0,51.2 159.7,51.0 C160.3,49.4 163.2,43.6 171.4,40.1 C171.4,40.1 176.1,42.5 178.8,56.2 C183.1,58.6 187.2,61.8 190.9,65.4 C194.5,69.0 197.7,73.2 200.1,77.6 C213.8,80.2 216.3,84.9 216.3,84.9 C212.7,93.1 206.9,96.0 205.4,96.6 C205.1,102.4 203.0,107.8 198.3,112.5 C181.9,128.9 168.3,122.5 157.7,114.1 C157.9,116.9 156.7,120.9 152.7,124.9 L141.0,136.5 C139.8,137.7 141.6,141.9 141.8,141.8 Z"
              fill="currentColor" class="octo-body"></path>
    </svg>
</a>
        
    </nav>

</header>

        



<div class="bg-cover pd-header post-cover" style="background-image: url('/shiqing/medias/featureimages/4.jpg')">
    <div class="container" style="right: 0px;left: 0px;">
        <div class="row">
            <div class="col s12 m12 l12">
                <div class="brand">
                    <h1 class="description center-align post-title">&#39;JavaNote07_TCPIP&#39;</h1>
                </div>
            </div>
        </div>
    </div>
</div>




<main class="post-container content">

    
    <link rel="stylesheet" href="/shiqing/libs/tocbot/tocbot.css">
<style>
    #articleContent h1::before,
    #articleContent h2::before,
    #articleContent h3::before,
    #articleContent h4::before,
    #articleContent h5::before,
    #articleContent h6::before {
        display: block;
        content: " ";
        height: 100px;
        margin-top: -100px;
        visibility: hidden;
    }

    #articleContent :focus {
        outline: none;
    }

    .toc-fixed {
        position: fixed;
        top: 64px;
    }

    .toc-widget {
        width: 345px;
        padding-left: 20px;
    }

    .toc-widget .toc-title {
        padding: 35px 0 15px 17px;
        font-size: 1.5rem;
        font-weight: bold;
        line-height: 1.5rem;
    }

    .toc-widget ol {
        padding: 0;
        list-style: none;
    }

    #toc-content {
        padding-bottom: 30px;
        overflow: auto;
    }

    #toc-content ol {
        padding-left: 10px;
    }

    #toc-content ol li {
        padding-left: 10px;
    }

    #toc-content .toc-link:hover {
        color: #42b983;
        font-weight: 700;
        text-decoration: underline;
    }

    #toc-content .toc-link::before {
        background-color: transparent;
        max-height: 25px;

        position: absolute;
        right: 23.5vw;
        display: block;
    }

    #toc-content .is-active-link {
        color: #42b983;
    }

    #floating-toc-btn {
        position: fixed;
        right: 15px;
        bottom: 76px;
        padding-top: 15px;
        margin-bottom: 0;
        z-index: 998;
    }

    #floating-toc-btn .btn-floating {
        width: 48px;
        height: 48px;
    }

    #floating-toc-btn .btn-floating i {
        line-height: 48px;
        font-size: 1.4rem;
    }
</style>
<div class="row">
    <div id="main-content" class="col s12 m12 l9">
        <!-- 文章内容详情 -->
<div id="artDetail">
    <div class="card">
        <div class="card-content article-info">
            <div class="row tag-cate">
                <div class="col s7">
                    
                    <div class="article-tag">
                        
                            <a href="/shiqing/tags/Java%E5%9F%BA%E7%A1%80/">
                                <span class="chip bg-color">Java基础</span>
                            </a>
                        
                    </div>
                    
                </div>
                <div class="col s5 right-align">
                    
                    <div class="post-cate">
                        <i class="fas fa-bookmark fa-fw icon-category"></i>
                        
                            <a href="/shiqing/categories/Java/" class="post-category">
                                Java
                            </a>
                        
                    </div>
                    
                </div>
            </div>

            <div class="post-info">
                
                <div class="post-date info-break-policy">
                    <i class="far fa-calendar-minus fa-fw"></i>发布日期:&nbsp;&nbsp;
                    2020-03-30
                </div>
                

                

                

                

                
            </div>
        </div>
        <hr class="clearfix">

        
        <!-- 是否加载使用自带的 prismjs. -->
        <link rel="stylesheet" href="/shiqing/libs/prism/prism.css">
        

        

        <div class="card-content article-card-content">
            <div id="articleContent">
                <h2 id="网络编程"><a href="#网络编程" class="headerlink" title="网络编程"></a>网络编程</h2><p>1.1 软件结构<br>C&#x2F;S结构：全称Client&#x2F;Server结构，客户端和服务器结构。QQ迅雷等<br>B&#x2F;S结构：全称Browser&#x2F;Server结构，浏览器和服务器结构。谷歌火狐<br>1.2 网络通信协议<br>计算机在连接和通信时要遵守一定的规则,这些连接和通信的规则被称作网络通信协议,<br>通信双方必须同时遵守才能完成数据交换</p>
<p>TCP&#x2F;IP协议:定义了计算机如何连入英特网,以及数据如何在他们之间传输的标准<br>内部包含一系列的用于处理数据通信的协议,并采用了4层的分层模型,每一层都呼叫他的下一层所提供的协议来完成自己的需求<br>物理层 -&gt; 数据链路层 -&gt; 网络层 -&gt; 传输层 -&gt; 应用层</p>
<span id="more"></span>

<p>1.3 协议分类<br>UDP:无连接通信协议,即在数据传输时,数据的发送端和接收端不建立逻辑链接.<br>当一台计算机像另一台计算机发送数据时,发送端不会确认接收端是否存在,就会发出数据,<br>同样接收端在收到数据时,也不会向发送端反馈是否收到数据</p>
<p>UDP协议消耗资源小,通信效率高,所以通常用于音频视频和普通数据的传输<br>特点: 数据被限制在64kb以内,超过这个范围就不能发送了</p>
<p>TCP:传输控制协议,面向连接的通信协议,传输数据之前,在发送端和接收端建立逻辑连接,然后再传输数据,<br>他提供了两台计算机之间可靠无差错的数据传输<br>在TCP连接中必须要明确客户端与服务器端,有客户端向服务器发出连接请求,每次连接的创建都要经过三次握手</p>
<ol>
<li>客户端向服务器端发出连接请求,等待服务器确认</li>
<li>服务器端向客户端回送一个响应,通知客户端收到了连接请求</li>
<li>客户端再次向服务器端发送确认信息,确认连接<br>TCP协议可以保证传输数据的安全,所以应用十分广泛,例如下载文件,浏览网页</li>
</ol>
<p>1.4 网络编程三要素</p>
<ol>
<li>协议:计算机网络通信必须遵守的规则</li>
<li>IP地址:指互联网协议地址,IP地址用来给一个网络中的计算机设备做唯一的编号.<br>IP地址分类:<br>  IPV4:一个32位的二进制数,通常分为4段,表示成a.b.c.d的形式,例如192.168.65.100 其中abcd都是0-255之间的十进制整数,最多可以表示42亿个<br>  IPV6:为了扩大地址空间,128位二进制数,分成16个字节,分成8段<br>查看本机IP地址:ipconfig<br>检查网络是否连通:ping 192.168.1.102</li>
</ol>
<h2 id="端口号"><a href="#端口号" class="headerlink" title="端口号"></a>端口号</h2><p>端口号是一个逻辑端口,我们无法直接看到,可以使用一些软件查看端口号<br>当我们使用网络软件一打开,那么操作系统就会为网络软件随机分配一个端口号<br>或者网络软件打开的时候和系统要指定的端口号<br>端口号两个字节组成,取值范围0-65535之间<br>注意:1024之前的端口号我们不能使用,已经被系统分配给已知的网络软件了,网络软件的端口号不能重复</p>
<p>使用IP地址加端口号,就可以保证数据正确无误地发送到对方计算机地指定软件上了</p>
<p>常用的端口号:</p>
<ol>
<li>80端口: 网络端口,<a target="_blank" rel="noopener" href="http://www.baidu.com/">www.baidu.com:80</a> 正确的网址<br>             <a target="_blank" rel="noopener" href="http://www.baidu.com:70/">www.baidu.com:70</a> 错误的网址</li>
<li>数据库: mysql:3306 oracle:1521</li>
<li>tomcat服务器: 8080</li>
</ol>
<h2 id="TCP通信程序"><a href="#TCP通信程序" class="headerlink" title="TCP通信程序"></a>TCP通信程序</h2><p>2.1 概述<br>TCP通信能实现两台计算机之间的数据交互,通信的两端,要严格区分为客户端与服务器<br>两端通信时步骤:</p>
<ol>
<li>服务端程序需要事先启动,等待客户端的连接</li>
<li>客户端主动连接服务器端,连接成功才能通信.服务端不可以主动连接客户端<br>客户端与服务器端建立一个逻辑连接,这个连接中包含一个对象,<br>这个对象就是IO对象,客户端与服务器端使用IO对象进行通信<br>通信数据不仅仅是字符,所以IO对象是字节流对象</li>
</ol>
<p>步骤:<br>服务器端: ip:端口号 SeverSocket类<br>2. 服务器读取客户端发送的数据<br>InputStream: 你好服务器<br>3. 服务器端给客户端发送数据<br>OutputStream:收到谢谢<br>Socket s1 &#x3D; sever.accept();                        Socket s2 &#x3D; sever.accept();<br>| |<br>| | 连接通路,IO流对象<br>| |<br>客户端 ip:端口号 Socket类</p>
<ol>
<li>客户端给服务器发送数据<br>OutputStream: 你好服务器</li>
<li>客户端读取服务器端发送的数据<br>InputStream:收到谢谢</li>
</ol>
<p>客户端和服务器端进行一个数据交互,需要4个IO流对象</p>
<p>服务器必须明确两件事情:</p>
<ol>
<li>多个客户端同时和服务器进行交互,服务器必须明确和哪个客户端进行的交互<br> 在服务器端accept方法获取到请求客户端的对象</li>
<li>服务器本身没有IO流,使用客户端Socket中提供的IO流和客户端交互</li>
</ol>
<h2 id="客户端代码实现"><a href="#客户端代码实现" class="headerlink" title="客户端代码实现"></a>客户端代码实现</h2><p>&#x2F;*<br>    TCP通信的客户端：向服务器发送连接请求，给服务器发送数据，读取服务器回写的数据<br>    表示客户端的类：<br>        java.net.Socket：此类实现客户端套接字。套接字是两台机器间通信的端点。<br>        套接字：包含了IP地址和端口号的网络单位</p>
<pre><code>构造方法：
    Socket(String host，int port) 创建一个流套接字并将其连接到指定主机上的指定端口号
    参数：
        String host：服务器主机的名称/服务器的IP地址
        int port：服务器的端口号
成员方法：
    OutputStream getOutputStream() 返回此套接字的输出流
    InputStream getInputStream() 返回此套接字的输入流
    void close() 关闭此套接字
实现步骤:
    1. 创建一个客户端对象Socket,构造方法绑定服务器的IP地址和端口号
    2. 使用Socket对象中的方法getOutputStream()获取网络字节输出流OutputStream对象
    3. 使用write方法给服务器发送数据
    4. 使用Socket中的方法getInputStream()获取网络字节输入流InputStream对象
    5. read方法读取服务器回写的数据
    6. 释放资源(Socket)
注意:
    1. 客户端与服务器交互,必须使用Socket中提供的网络流,不能使用自己创建的流对象
    2. 当我们创建客户端对象Socket时,就回去请求服务器和服务器经过三次握手建立连接通路
        这时如果服务器没有启动,就会抛出异常
        如果服务器已经启动,就可以进行交互
</code></pre>
<p> *&#x2F;<br>public class TCPClient {<br>    public static void main(String[] args) throws IOException {<br>        &#x2F;&#x2F;1. 创建一个客户端对象Socket,构造方法绑定服务器的IP地址和端口号<br>        Socket socket &#x3D; new Socket(“192.168.1.102”,8848);<br>        &#x2F;&#x2F;2. 获取网络字节输出流<br>        OutputStream outputStream &#x3D; socket.getOutputStream();<br>        &#x2F;&#x2F;3. 给服务器放松数据<br>        outputStream.write(“你好服务器”.getBytes());<br>        &#x2F;&#x2F;4. 使用Socket中的方法getInputStream()获取网络字节输入流InputStream对象<br>        InputStream inputStream &#x3D; socket.getInputStream();<br>        &#x2F;&#x2F;5. read方法读取服务器回写的数据<br>        byte[] bytes &#x3D; new byte[1024];<br>        int len &#x3D;inputStream.read(bytes);<br>        System.out.println(new String(bytes,0,len));<br>        &#x2F;&#x2F;6.释放资源<br>        socket.close();<br>    }<br>}</p>
<h2 id="服务器端代码"><a href="#服务器端代码" class="headerlink" title="服务器端代码"></a>服务器端代码</h2><p>&#x2F;*<br>    TCP通信的服务器端:接收客户端的请求,读取客户端发送的数据,给客户端回写数据<br>    表示服务器的类:<br>        java.net.ServerSocket:此类实现服务器套接字<br>        构造方法:<br>            ServerSocket(int port) 创建绑定到特定端口的服务器套接字<br>        成员方法:<br>            Socket accept() 倾听并接受到此套接字的连接</p>
<pre><code>    服务器实现步骤:
    1. 创建服务器ServerSocket对象和系统要指定的端口号
    2. 使用ServerSocket对象中的方法accept,获取到请求的客户端对象Socket
    3. 使用Socket对象中的方法getInputStream()获取网络字节输入流InputStream对象
    4. 使用read方法读取客户端发送的数据
    5. 使用Socket对象中的方法getOutputStream()获取网络字节输出流OutputStream对象
    6. 使用write方法回写数据
    7. 释放资源(Socket,ServerSocket)
</code></pre>
<p> *&#x2F;<br>public class TCPServer {<br>    public static void main(String[] args) throws IOException {<br>        ServerSocket serverSocket &#x3D; new ServerSocket(8848);<br>        Socket socket &#x3D; serverSocket.accept();<br>        InputStream is &#x3D; socket.getInputStream();<br>        byte[] bytes &#x3D; new byte[1024];<br>        int len &#x3D;is.read(bytes);<br>        System.out.println(new String(bytes,0,len));<br>        OutputStream os &#x3D; socket.getOutputStream();<br>        os.write(“收到谢谢”.getBytes());</p>
<pre><code>    socket.close();
    serverSocket.close();
&#125;
</code></pre>
<p>}</p>
<h2 id="文件上传案例"><a href="#文件上传案例" class="headerlink" title="文件上传案例"></a>文件上传案例</h2><p>TCP通信的文件上传<br>原理：客户端读取本地的文件，把文件上传到服务器，服务器再把上传的文件保存到服务器的硬盘上</p>
<ol>
<li>客户端使用本地的字节输入流读取要上传的文件</li>
<li>客户端使用网络字节输出流，把读取到的文件上传到服务器</li>
<li>服务器使用网络字节输入流，读取客户端上传的文件</li>
<li>服务器使用本地字节输出流，把读取到的文件，保存到服务器的硬盘上</li>
<li>服务器使用网络字节输出流，给客户端回写一个上传成功</li>
<li>客户端使用网络字节输入流读取服务器回写的数据</li>
<li>释放资源</li>
</ol>
<p>注意：	<br>    客户端和服务器和本地硬盘进行读写，需要使用自己创建的字节流对象（本地流）<br>    客户端和服务器之间进行读写，必须使用Socket中提供的字节流对象（网络流）</p>
<p>&#x2F;*<br>    文件上传案例的服务器端:读取客户端上传的文件,保存到服务器的硬盘,给客户端回写上传成功<br>    明确:<br>        数据源:客户端上传的文件<br>        目的地:服务器的硬盘 F:\upload</p>
<p> <em>&#x2F;<br>public class TCPServer2 {<br>    public static void main(String[] args) throws IOException {<br>        &#x2F;&#x2F;	1. 创建一个服务器对象,和系统要指定的端口号<br>        ServerSocket server &#x3D; new ServerSocket(8848);<br>        &#x2F;&#x2F;	2. 使用accept方法,获取Socket对象<br>        &#x2F;</em><br>            优化:<br>            让服务器一直处于监听状态(死循环accept方法)<br>            有一个客户端上传文件就保存一个文件<br>            while(true)<br>         *&#x2F;<br>        while(true){<br>            Socket socket &#x3D; server.accept();</p>
<pre><code>        /*
            优化:
                使用多线程技术,提高程序的效率
                有一个客户端上传文件,就开启一个线程,完成文件的上传
                run方法不能throw
                只能改成try...catch了
         */
        new Thread(new Runnable() &#123;
            //完成文件的上传
            @Override
            public void run() &#123;
                try &#123;
                    // 	3. 获取网络字节输入流
                    InputStream is = socket.getInputStream();
                    //	4. 判断文件夹是否存在
                    File file = new File(&quot;F:\\upload&quot;);
                    if(!file.exists())&#123;
                        file.mkdirs();
                    &#125;

    /*
        优化:
        自定义一个文件的命名规则:防止同名的文件被覆盖
        规则:域名+毫秒值+随机数
     */

                    String fileName = &quot;itcast&quot;+System.currentTimeMillis() + new Random().nextInt(999999)+&quot;.jpg&quot;;
                    //	5. 创建本地字节输出流对象
</code></pre>
<p>&#x2F;&#x2F;		FileOutputStream fos &#x3D; new FileOutputStream(file+”\1.jpg”);<br>                        FileOutputStream fos &#x3D; new FileOutputStream(file+”\“+fileName);<br>                        &#x2F;&#x2F;	6. 使用网络字节输入流中的read方法<br>                        int len &#x3D; 0;<br>                        byte[] bytes &#x3D; new byte[1024];<br>                        while((len &#x3D; is.read(bytes))!&#x3D;-1){<br>                            &#x2F;&#x2F;	7. 使用本地字节输入流中的write方法<br>                            fos.write(bytes,0,len);<br>                        }<br>                        &#x2F;&#x2F;	8. 使用socket对象中的方法获取网络字节输出流<br>                        &#x2F;&#x2F;	9. 使用网络字节输出流中的write方法回写上传成功<br>                        socket.getOutputStream().write(“上传成功”.getBytes());<br>                        fos.close();</p>
<pre><code>                &#125; catch (IOException e) &#123;
                    e.printStackTrace();
                &#125;finally&#123;
                    try &#123;
                        socket.close();
                    &#125; catch (IOException e) &#123;
                        e.printStackTrace();
                    &#125;
                &#125;
            &#125;
        &#125;).start();


    &#125;

    //服务器不需要再关闭了
    //server.close();
&#125;
</code></pre>
<h2 id=""><a href="#" class="headerlink" title="}"></a>}</h2><p>&#x2F;*<br>    文件上传案例的客户端读取本地文件，上传到服务器，读取服务器回写的数据<br>    明确：<br>        数据源：E:\图片\1.jpg<br>        目的地:服务器<br> *&#x2F;<br>public class TCPClient2 {<br>    public static void main(String[] args) throws IOException {<br>        &#x2F;&#x2F;1. 创建一个本地字节输入流<br>        FileInputStream fis &#x3D; new FileInputStream(“E:\图片\1.jpg”);<br>        &#x2F;&#x2F;2. 创建一个客户端Socket对象,绑定IP地址和端口号<br>        Socket socket &#x3D; new Socket(“192.168.1.102”,8848);<br>        &#x2F;&#x2F;3. 获取网络字节输出流对象<br>        OutputStream os &#x3D; socket.getOutputStream();<br>        &#x2F;&#x2F;4. 使用本地字节输入流中的read方法<br>        int len &#x3D; 0;<br>        byte[] bytes &#x3D; new byte[1024];<br>        while((len &#x3D; fis.read(bytes))!&#x3D;-1){<br>            &#x2F;&#x2F;5. 使用网络字节输出流中的write方法<br>            os.write(bytes,0,len);<br>        }</p>
<pre><code>    /*
        阻塞状态问题解决:上传完文件,给服务器写一个结束标记
        void shutdownOutput() 禁用此套接字的输出流
        对于 TCP 套接字,任何以前写入的数据都将被发送,并且后跟TCP的正常连接终止序列
     */
    socket.shutdownOutput();
    //6. 获取网络字节输入流对象
    InputStream is = socket.getInputStream();
    //7. 使用网络字节输入流中的read方法读取服务器回写的数据
    while((len = is.read(bytes))!=-1)&#123;
        System.out.println(new String(bytes,0,len));
    &#125;
    //8. 释放资源
    fis.close();
    socket.close();
&#125;
</code></pre>
<p>}</p>
<hr>
<h2 id="模拟BS服务器分析"><a href="#模拟BS服务器分析" class="headerlink" title="模拟BS服务器分析"></a>模拟BS服务器分析</h2><p>浏览器访问 <a target="_blank" rel="noopener" href="http://192.168.1.102:8080/Algorithms/web/TSQ.html">http://192.168.1.102:8080/Algorithms/web/TSQ.html</a><br>&#x3D;&gt;<br>GET &#x2F;Algorithms&#x2F;web&#x2F;TSQ.html HTTP&#x2F;1.1<br>Accept: text&#x2F;html,application&#x2F;xhtml+xml,application&#x2F;xml;q&#x3D;0.9,<em>&#x2F;</em>;q&#x3D;0.8<br>Accept-Language: zh-Hans-CN,zh-Hans;q&#x3D;0.8,en-IE;q&#x3D;0.5,en;q&#x3D;0.3<br>Upgrade-Insecure-Requests: 1<br>User-Agent: Mozilla&#x2F;5.0 (Windows NT 10.0; Win64; x64) AppleWebKit&#x2F;537.36 (KHTML, like Gecko) Chrome&#x2F;70.0.3538.102 Safari&#x2F;537.36 Edge&#x2F;18.18362<br>Accept-Encoding: gzip, deflate<br>Host: 192.168.1.102:8080<br>Connection: Keep-Alive</p>
<p>&#x2F;*<br>    创建BS版的TCP服务器<br>    <a target="_blank" rel="noopener" href="http://192.168.1.102:8080/Algorithms/web/TSQ.html">http://192.168.1.102:8080/Algorithms/web/TSQ.html</a></p>
<p> <em>&#x2F;<br>public class TCPServer3 {<br>    public static void main(String[] args) throws IOException {<br>        ServerSocket serverSocket &#x3D; new ServerSocket(8080);<br>        &#x2F;</em><br>            浏览器解析服务器回写的html页面,页面中如果有图片,浏览器就会单独开启一个线程,去读取服务器的图片<br>            我们就得让服务器一直处于监听状态,客户端请求一次,服务器回写一次<br>         *&#x2F;</p>
<pre><code>    while(true)&#123;
        Socket socket = serverSocket.accept();

        new Thread(new Runnable() &#123;
            @Override
            public void run() &#123;
                try &#123;
                    InputStream is = socket.getInputStream();
                    //		byte[] bytes = new byte[1024];
                    //		int len =0;
                    //		while((len=is.read(bytes))!=-1)&#123;
                    //			System.out.println(new String(bytes,0,len));
                    //		&#125;

                    //把网络输入字节流转换为字符缓冲输入流
                    BufferedReader br = new BufferedReader(new InputStreamReader(is));
                    //把客户端请求信息的第一行读取出来 GET /Algorithms/web/TSQ.html HTTP/1.1
                    String line = br.readLine();
                    //切割读取信息,只要中间部分/Algorithms/web/TSQ.html
                    String[] arr = line.split(&quot; &quot;);
                    //再把路径前的杠去掉,截取Algorithms/web/TSQ.html
                    //??怎么相对路径不行呢??
                    String htmlpath = &quot;D:\\IntelliJ IDEA Community Edition 2019.3.1\\&quot;+arr[1].substring(1);

                    //创建一个本地字节输入流,构造方法中绑定读取的html路径
                    FileInputStream fis = new FileInputStream(htmlpath);
                    //使用Socket中的方法获取网络字节输出流
                    OutputStream os = socket.getOutputStream();

                    //写入HTTP协议响应头,固定三行写法
                    os.write(&quot;HTTP/.1 200 0k\r\n&quot;.getBytes());
                    os.write(&quot;Content-Type:text/html\r\n&quot;.getBytes());
                    //必须写入空行,否则浏览器不解析
                    os.write(&quot;\r\n&quot;.getBytes());


                    //一读一写,复制文件,把服务器读取的html文件回写到客户端
                    byte[] bytes = new byte[1024];
                    int len =0;
                    while((len=fis.read(bytes))!=-1)&#123;
                        os.write(bytes,0,len);
                    &#125;

                    //释放资源
                    fis.close();

                &#125; catch (IOException e) &#123;
                    e.printStackTrace();
                &#125;finally &#123;
                    try &#123;
                        socket.close();
                    &#125; catch (IOException e) &#123;
                        e.printStackTrace();
                    &#125;
                &#125;
            &#125;
        &#125;).start();

    &#125;

    //serverSocket.close();
&#125;
</code></pre>
<p>}</p>

                
            </div>
            <hr/>

            

    <div class="reprint" id="reprint-statement">
        
            <div class="reprint__author">
                <span class="reprint-meta" style="font-weight: bold;">
                    <i class="fas fa-user">
                        文章作者:
                    </i>
                </span>
                <span class="reprint-info">
                    <a href="/shiqing/about" rel="external nofollow noreferrer">ShiQing</a>
                </span>
            </div>
            <div class="reprint__type">
                <span class="reprint-meta" style="font-weight: bold;">
                    <i class="fas fa-link">
                        文章链接:
                    </i>
                </span>
                <span class="reprint-info">
                    <a href="https://shiqing.gitee.io/shiqing/2020/03/30/java-ji-chu/javanote07-tcpip/">https://shiqing.gitee.io/shiqing/2020/03/30/java-ji-chu/javanote07-tcpip/</a>
                </span>
            </div>
            <div class="reprint__notice">
                <span class="reprint-meta" style="font-weight: bold;">
                    <i class="fas fa-copyright">
                        版权声明:
                    </i>
                </span>
                <span class="reprint-info">
                    本博客所有文章除特別声明外，均采用
                    <a href="https://creativecommons.org/licenses/by/4.0/deed.zh" rel="external nofollow noreferrer" target="_blank">CC BY 4.0</a>
                    许可协议。转载请注明来源
                    <a href="/shiqing/about" target="_blank">ShiQing</a>
                    !
                </span>
            </div>
        
    </div>

    <script async defer>
      document.addEventListener("copy", function (e) {
        let toastHTML = '<span>复制成功，请遵循本文的转载规则</span><button class="btn-flat toast-action" onclick="navToReprintStatement()" style="font-size: smaller">查看</a>';
        M.toast({html: toastHTML})
      });

      function navToReprintStatement() {
        $("html, body").animate({scrollTop: $("#reprint-statement").offset().top - 80}, 800);
      }
    </script>



            <div class="tag_share" style="display: block;">
                <div class="post-meta__tag-list" style="display: inline-block;">
                    
                        <div class="article-tag">
                            
                                <a href="/shiqing/tags/Java%E5%9F%BA%E7%A1%80/">
                                    <span class="chip bg-color">Java基础</span>
                                </a>
                            
                        </div>
                    
                </div>
                <div class="post_share" style="zoom: 80%; width: fit-content; display: inline-block; float: right; margin: -0.15rem 0;">
                    <link rel="stylesheet" type="text/css" href="/shiqing/libs/share/css/share.min.css">
<div id="article-share">

    
    <div class="social-share" data-sites="twitter,facebook,google,qq,qzone,wechat,weibo,douban,linkedin" data-wechat-qrcode-helper="<p>微信扫一扫即可分享！</p>"></div>
    <script src="/shiqing/libs/share/js/social-share.min.js"></script>
    

    

</div>

                </div>
            </div>
            
                <style>
    #reward {
        margin: 40px 0;
        text-align: center;
    }

    #reward .reward-link {
        font-size: 1.4rem;
        line-height: 38px;
    }

    #reward .btn-floating:hover {
        box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2), 0 5px 15px rgba(0, 0, 0, 0.2);
    }

    #rewardModal {
        width: 320px;
        height: 350px;
    }

    #rewardModal .reward-title {
        margin: 15px auto;
        padding-bottom: 5px;
    }

    #rewardModal .modal-content {
        padding: 10px;
    }

    #rewardModal .close {
        position: absolute;
        right: 15px;
        top: 15px;
        color: rgba(0, 0, 0, 0.5);
        font-size: 1.3rem;
        line-height: 20px;
        cursor: pointer;
    }

    #rewardModal .close:hover {
        color: #ef5350;
        transform: scale(1.3);
        -moz-transform:scale(1.3);
        -webkit-transform:scale(1.3);
        -o-transform:scale(1.3);
    }

    #rewardModal .reward-tabs {
        margin: 0 auto;
        width: 210px;
    }

    .reward-tabs .tabs {
        height: 38px;
        margin: 10px auto;
        padding-left: 0;
    }

    .reward-content ul {
        padding-left: 0 !important;
    }

    .reward-tabs .tabs .tab {
        height: 38px;
        line-height: 38px;
    }

    .reward-tabs .tab a {
        color: #fff;
        background-color: #ccc;
    }

    .reward-tabs .tab a:hover {
        background-color: #ccc;
        color: #fff;
    }

    .reward-tabs .wechat-tab .active {
        color: #fff !important;
        background-color: #22AB38 !important;
    }

    .reward-tabs .alipay-tab .active {
        color: #fff !important;
        background-color: #019FE8 !important;
    }

    .reward-tabs .reward-img {
        width: 210px;
        height: 210px;
    }
</style>

<div id="reward">
    <a href="#rewardModal" class="reward-link modal-trigger btn-floating btn-medium waves-effect waves-light red">赏</a>

    <!-- Modal Structure -->
    <div id="rewardModal" class="modal">
        <div class="modal-content">
            <a class="close modal-close"><i class="fas fa-times"></i></a>
            <h4 class="reward-title">你的赏识是我前进的动力</h4>
            <div class="reward-content">
                <div class="reward-tabs">
                    <ul class="tabs row">
                        <li class="tab col s6 alipay-tab waves-effect waves-light"><a href="#alipay">支付宝</a></li>
                        <li class="tab col s6 wechat-tab waves-effect waves-light"><a href="#wechat">微 信</a></li>
                    </ul>
                    <div id="alipay">
                        <img src="/shiqing/medias/reward/alipay.jpg" class="reward-img" alt="支付宝打赏二维码">
                    </div>
                    <div id="wechat">
                        <img src="/shiqing/medias/reward/wechat.png" class="reward-img" alt="微信打赏二维码">
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>

<script>
    $(function () {
        $('.tabs').tabs();
    });
</script>

            
        </div>
    </div>

    

    

    

    

    

    

    

    

<article id="prenext-posts" class="prev-next articles">
    <div class="row article-row">
        
        <div class="article col s12 m6" data-aos="fade-up">
            <div class="article-badge left-badge text-color">
                <i class="fas fa-chevron-left"></i>&nbsp;上一篇</div>
            <div class="card">
                <a href="/shiqing/2020/04/02/java-ji-chu/javanote08-stream/">
                    <div class="card-image">
                        
                        
                        <img src="/shiqing/medias/featureimages/5.jpg" class="responsive-img" alt="&#39;JavaNote08_Stream&#39;">
                        
                        <span class="card-title">&#39;JavaNote08_Stream&#39;</span>
                    </div>
                </a>
                <div class="card-content article-content">
                    <div class="summary block-with-text">
                        
                            Stream流&#x2F;*    使用传统的方式遍历集合，对集合中的数据进行过滤
 *&#x2F;
                        
                    </div>
                    <div class="publish-info">
                        <span class="publish-date">
                            <i class="far fa-clock fa-fw icon-date"></i>2020-04-02
                        </span>
                        <span class="publish-author">
                            
                            <i class="fas fa-bookmark fa-fw icon-category"></i>
                            
                            <a href="/shiqing/categories/Java/" class="post-category">
                                    Java
                                </a>
                            
                            
                        </span>
                    </div>
                </div>
                
                <div class="card-action article-tags">
                    
                    <a href="/shiqing/tags/Java%E5%9F%BA%E7%A1%80/">
                        <span class="chip bg-color">Java基础</span>
                    </a>
                    
                </div>
                
            </div>
        </div>
        
        
        <div class="article col s12 m6" data-aos="fade-up">
            <div class="article-badge right-badge text-color">
                下一篇&nbsp;<i class="fas fa-chevron-right"></i>
            </div>
            <div class="card">
                <a href="/shiqing/2020/03/26/java-ji-chu/javanote06-iostream/">
                    <div class="card-image">
                        
                        
                        <img src="/shiqing/medias/featureimages/21.jpg" class="responsive-img" alt="&#39;JavaNote06_IOStream&#39;">
                        
                        <span class="card-title">&#39;JavaNote06_IOStream&#39;</span>
                    </div>
                </a>
                <div class="card-content article-content">
                    <div class="summary block-with-text">
                        
                            IO概述I：inputO：output流：数据，一个字符&#x3D;2个字节&#x3D;16个二进制位java.io字节流：一切文件数据存储时都是以二进制数字的形式保存的
字节输出流:java.io.OutputStream,此抽象类是表示
                        
                    </div>
                    <div class="publish-info">
                            <span class="publish-date">
                                <i class="far fa-clock fa-fw icon-date"></i>2020-03-26
                            </span>
                        <span class="publish-author">
                            
                            <i class="fas fa-bookmark fa-fw icon-category"></i>
                            
                            <a href="/shiqing/categories/Java/" class="post-category">
                                    Java
                                </a>
                            
                            
                        </span>
                    </div>
                </div>
                
                <div class="card-action article-tags">
                    
                    <a href="/shiqing/tags/Java%E5%9F%BA%E7%A1%80/">
                        <span class="chip bg-color">Java基础</span>
                    </a>
                    
                </div>
                
            </div>
        </div>
        
    </div>
</article>

</div>



<!-- 代码块功能依赖 -->
<script type="text/javascript" src="/shiqing/libs/codeBlock/codeBlockFuction.js"></script>

<!-- 代码语言 -->

<script type="text/javascript" src="/shiqing/libs/codeBlock/codeLang.js"></script>


<!-- 代码块复制 -->

<script type="text/javascript" src="/shiqing/libs/codeBlock/codeCopy.js"></script>


<!-- 代码块收缩 -->

<script type="text/javascript" src="/shiqing/libs/codeBlock/codeShrink.js"></script>


    </div>
    <div id="toc-aside" class="expanded col l3 hide-on-med-and-down">
        <div class="toc-widget card" style="background-color: white;">
            <div class="toc-title"><i class="far fa-list-alt"></i>&nbsp;&nbsp;目录</div>
            <div id="toc-content"></div>
        </div>
    </div>
</div>

<!-- TOC 悬浮按钮. -->

<div id="floating-toc-btn" class="hide-on-med-and-down">
    <a class="btn-floating btn-large bg-color">
        <i class="fas fa-list-ul"></i>
    </a>
</div>


<script src="/shiqing/libs/tocbot/tocbot.min.js"></script>
<script>
    $(function () {
        tocbot.init({
            tocSelector: '#toc-content',
            contentSelector: '#articleContent',
            headingsOffset: -($(window).height() * 0.4 - 45),
            collapseDepth: Number('0'),
            headingSelector: 'h2, h3, h4'
        });

        // modify the toc link href to support Chinese.
        let i = 0;
        let tocHeading = 'toc-heading-';
        $('#toc-content a').each(function () {
            $(this).attr('href', '#' + tocHeading + (++i));
        });

        // modify the heading title id to support Chinese.
        i = 0;
        $('#articleContent').children('h2, h3, h4').each(function () {
            $(this).attr('id', tocHeading + (++i));
        });

        // Set scroll toc fixed.
        let tocHeight = parseInt($(window).height() * 0.4 - 64);
        let $tocWidget = $('.toc-widget');
        $(window).scroll(function () {
            let scroll = $(window).scrollTop();
            /* add post toc fixed. */
            if (scroll > tocHeight) {
                $tocWidget.addClass('toc-fixed');
            } else {
                $tocWidget.removeClass('toc-fixed');
            }
        });

        
        /* 修复文章卡片 div 的宽度. */
        let fixPostCardWidth = function (srcId, targetId) {
            let srcDiv = $('#' + srcId);
            if (srcDiv.length === 0) {
                return;
            }

            let w = srcDiv.width();
            if (w >= 450) {
                w = w + 21;
            } else if (w >= 350 && w < 450) {
                w = w + 18;
            } else if (w >= 300 && w < 350) {
                w = w + 16;
            } else {
                w = w + 14;
            }
            $('#' + targetId).width(w);
        };

        // 切换TOC目录展开收缩的相关操作.
        const expandedClass = 'expanded';
        let $tocAside = $('#toc-aside');
        let $mainContent = $('#main-content');
        $('#floating-toc-btn .btn-floating').click(function () {
            if ($tocAside.hasClass(expandedClass)) {
                $tocAside.removeClass(expandedClass).hide();
                $mainContent.removeClass('l9');
            } else {
                $tocAside.addClass(expandedClass).show();
                $mainContent.addClass('l9');
            }
            fixPostCardWidth('artDetail', 'prenext-posts');
        });
        
    });
</script>

    

</main>




        <footer class="page-footer bg-color">
    
    <div class="container row center-align" style="margin-bottom: 0px !important;">
        <div class="col s12 m8 l8 copy-right">
            Copyright&nbsp;&copy;
            
                <span id="year">2019-2024</span>
            
            <span id="year">2019</span>
            <a href="/shiqing/about" target="_blank">ShiQing</a>
            |&nbsp;Powered by&nbsp;<a href="https://hexo.io/" target="_blank">Hexo</a>
            |&nbsp;Theme&nbsp;<a href="https://github.com/blinkfox/hexo-theme-matery" target="_blank">Matery</a>
            <br>
            
            
            
            
            
            
            <span id="busuanzi_container_site_pv">
                |&nbsp;<i class="far fa-eye"></i>&nbsp;总访问量:&nbsp;<span id="busuanzi_value_site_pv"
                    class="white-color"></span>&nbsp;次
            </span>
            
            
            <span id="busuanzi_container_site_uv">
                |&nbsp;<i class="fas fa-users"></i>&nbsp;总访问人数:&nbsp;<span id="busuanzi_value_site_uv"
                    class="white-color"></span>&nbsp;人
            </span>
            
            <br>
            
            <br>
            
        </div>
        <div class="col s12 m4 l4 social-link social-statis">
    <a href="https://github.com/blinkfox" class="tooltipped" target="_blank" data-tooltip="访问我的GitHub" data-position="top" data-delay="50">
        <i class="fab fa-github"></i>
    </a>



    <a href="mailto:2528393970@qq.com" class="tooltipped" target="_blank" data-tooltip="邮件联系我" data-position="top" data-delay="50">
        <i class="fas fa-envelope-open"></i>
    </a>



    <a href="tencent://AddContact/?fromId=50&fromSubId=1&subcmd=all&uin=2528393970" class="tooltipped" target="_blank" data-tooltip="QQ联系我: 2528393970" data-position="top" data-delay="50">
        <i class="fab fa-qq"></i>
    </a>







    <a href="/shiqing/atom.xml" class="tooltipped" target="_blank" data-tooltip="RSS 订阅" data-position="top" data-delay="50">
        <i class="fas fa-rss"></i>
    </a>

</div>
    </div>
</footer>

<div class="progress-bar"></div>


        <!-- 搜索遮罩框 -->
<div id="searchModal" class="modal">
    <div class="modal-content">
        <div class="search-header">
            <span class="title"><i class="fas fa-search"></i>&nbsp;&nbsp;搜索</span>
            <input type="search" id="searchInput" name="s" placeholder="请输入搜索的关键字"
                   class="search-input">
        </div>
        <div id="searchResult"></div>
    </div>
</div>

<script type="text/javascript">
$(function () {
    var searchFunc = function (path, search_id, content_id) {
        'use strict';
        $.ajax({
            url: path,
            dataType: "xml",
            success: function (xmlResponse) {
                // get the contents from search data
                var datas = $("entry", xmlResponse).map(function () {
                    return {
                        title: $("title", this).text(),
                        content: $("content", this).text(),
                        url: $("url", this).text()
                    };
                }).get();
                var $input = document.getElementById(search_id);
                var $resultContent = document.getElementById(content_id);
                $input.addEventListener('input', function () {
                    var str = '<ul class=\"search-result-list\">';
                    var keywords = this.value.trim().toLowerCase().split(/[\s\-]+/);
                    $resultContent.innerHTML = "";
                    if (this.value.trim().length <= 0) {
                        return;
                    }
                    // perform local searching
                    datas.forEach(function (data) {
                        var isMatch = true;
                        var data_title = data.title.trim().toLowerCase();
                        var data_content = data.content.trim().replace(/<[^>]+>/g, "").toLowerCase();
                        var data_url = data.url;
                        data_url = data_url.indexOf('/') === 0 ? data.url : '/' + data_url;
                        var index_title = -1;
                        var index_content = -1;
                        var first_occur = -1;
                        // only match artiles with not empty titles and contents
                        if (data_title !== '' && data_content !== '') {
                            keywords.forEach(function (keyword, i) {
                                index_title = data_title.indexOf(keyword);
                                index_content = data_content.indexOf(keyword);
                                if (index_title < 0 && index_content < 0) {
                                    isMatch = false;
                                } else {
                                    if (index_content < 0) {
                                        index_content = 0;
                                    }
                                    if (i === 0) {
                                        first_occur = index_content;
                                    }
                                }
                            });
                        }
                        // show search results
                        if (isMatch) {
                            str += "<li><a href='" + data_url + "' class='search-result-title'>" + data_title + "</a>";
                            var content = data.content.trim().replace(/<[^>]+>/g, "");
                            if (first_occur >= 0) {
                                // cut out 100 characters
                                var start = first_occur - 20;
                                var end = first_occur + 80;
                                if (start < 0) {
                                    start = 0;
                                }
                                if (start === 0) {
                                    end = 100;
                                }
                                if (end > content.length) {
                                    end = content.length;
                                }
                                var match_content = content.substr(start, end);
                                // highlight all keywords
                                keywords.forEach(function (keyword) {
                                    var regS = new RegExp(keyword, "gi");
                                    match_content = match_content.replace(regS, "<em class=\"search-keyword\">" + keyword + "</em>");
                                });

                                str += "<p class=\"search-result\">" + match_content + "...</p>"
                            }
                            str += "</li>";
                        }
                    });
                    str += "</ul>";
                    $resultContent.innerHTML = str;
                });
            }
        });
    };

    searchFunc('/shiqing/search.xml', 'searchInput', 'searchResult');
});
</script>

        <!-- 回到顶部按钮 -->
<div id="backTop" class="top-scroll">
    <a class="btn-floating btn-large waves-effect waves-light" href="#!">
        <i class="fas fa-arrow-up"></i>
    </a>
</div>


        <script src="/shiqing/libs/materialize/materialize.min.js"></script>
        <script src="/shiqing/libs/masonry/masonry.pkgd.min.js"></script>
        <script src="/shiqing/libs/aos/aos.js"></script>
        <script src="/shiqing/libs/scrollprogress/scrollProgress.min.js"></script>
        <script src="/shiqing/libs/lightGallery/js/lightgallery-all.min.js"></script>
        <script src="/shiqing/js/matery.js"></script>

        <!-- Baidu Analytics -->

        <!-- Baidu Push -->

<script>
    (function () {
        var bp = document.createElement('script');
        var curProtocol = window.location.protocol.split(':')[0];
        if (curProtocol === 'https') {
            bp.src = 'https://zz.bdstatic.com/linksubmit/push.js';
        } else {
            bp.src = 'http://push.zhanzhang.baidu.com/push.js';
        }
        var s = document.getElementsByTagName("script")[0];
        s.parentNode.insertBefore(bp, s);
    })();
</script>

        
        <script src="/shiqing/libs/others/clicklove.js" async="async"></script>
        
        
        <script async src="/shiqing/libs/others/busuanzi.pure.mini.js"></script>
        

        <script type="text/javascript">
            var OriginTitile = document.title,
                st;
            document.addEventListener("visibilitychange", function () {
                document.hidden ? (document.title = "看不见我~看不见我~", clearTimeout(st)) : (document.title =
                    "(๑•̀ㅂ•́) ✧被发现了～", st = setTimeout(function () {
                        document.title = OriginTitile
                    }, 3e3))
            })
        </script>

        <!-- 背景樱花飘落特效 -->
        
            <script type="text/javascript">
                //只在桌面版网页启用特效
                var windowWidth = $(window).width();
                if (windowWidth > 768) {
                    document.write('<script type="text/javascript" src="/js/xuehuapiaoluo.js"><\/script>');
                }
            </script>
        

        

        


        
        

        

        

        
        <script src="/shiqing/libs/instantpage/instantpage.js" type="module"></script>
        

    </body>

</html>
